mountain bicycle 1.with training wheel 2.black painted all 3.CP handlebar 4.alloy rim 1.with training wheel2.black painted all3.CP handlebar4.alloy rim Framesteel,folded,painted,co2welding,1.0mmFront forksteel,painted,co2 welding,1.0mmHandlebar&stemsteel,CP,foldingBrakeF caliper and R band brakeRimalloyMudguardsteel,paintedChain wheel&crank12*24t,ED crankHubUCPChain cover9-form chain coverTyer12* ...